Home / 135,487.17-203,156.10-46,667.43

Finding the Fourth Proportional to 135,487.17, 203,156.10 and 46,667.43

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Solution

The fourth proportional to 135,487.17, 203,156.10 and 46,667.43 is: 69,975.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,487.17 : 203,156.10 = 46,667.43 : x
  2. Step 2: Convert to fraction form
    135,487.17/203,156.10 = 46,667.43/x
  3. Step 3: Cross multiply
    135,487.17x = 203,156.10 × 46,667.43
  4. Step 4: Simplify right side
    135,487.17x = 9,480,773,075.82
  5. Step 5: Solve for x
    x = 9,480,773,075.82/135,487.17
  6. Step 6: Final answer
    x = 69,975.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.